Bike-on-Bike

Generated by Bike Insights
700C/29 in × 28 mm
700C/29 in × 26 mm

Insights

Average stack and reach vs trend of performance road bikes
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Specialized Bicycles Tarmac sl8

Geometry

Stack
570mm
565mm
-5mm
Reach
389mm
395mm
+6mm
Stack to Reach Ratio
1.47:1
1.43:1
Seat Tube Length, C-T
508mm
Seat Tube Length, Unknown
494mm
Top Tube Length, Effective/Horizontal Center
540mm
563mm
+23mm
Top Tube Slope
8.8deg
9.7deg
+0.9deg
Head Tube Angle
73deg
73.5deg
+0.5deg
Seat Tube Angle
73.5deg
73.5deg
+0deg
Head Tube Length
164mm
157mm
-7mm
Bottom Bracket Drop
72mm
72mm
+0mm
Bottom Bracket Height
267mm
265mm
-2mm
Chainstay Length
410mm
410mm
+0mm
Chainstay Length Horizontal
403.6mm
403.6mm
+0mm
Front-Center
590.8mm
592mm
+1.2mm
Front-Center Horizontal
586.4mm
587.4mm
+1mm
Wheelbase
990mm
991mm
+1mm
Fork Offset/Rake
44mm
44.4mm
+0.4mm
Fork Length (Axle-To-Crown)
372mm
Fork Length, Unknown
370mm
Trail
57.6mm
mid/​neutral
53.5mm
-4.1mm
mid/​neutral
Mechanical Trail
55.1mm
51.3mm
-3.8mm
Wheel Flop
16.1mm
14.6mm
-1.5mm
Standover Height
786mm
Tire to Pedal Spindle
81.8mm
170 mm cranks
85mm
+3.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
97mm
170 mm cranks
95mm
-2mm
170 mm cranks

Build

Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
28mm
26mm
-2mm
Tire Outer Diameter
678mm
674mm
-4mm
Bike Length with Tires
1668mm
1665mm
-3mm
Handlebar Width
420mm
Stem Length
100mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Carbon/Composite
Carbon/Composite
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Rim
Disc

Meta

Actions
Source
https://www.sekabikes.com/spear-2/
https://www.specialized.com/us/en/tarmac-sl8-pro-ultegra-di2/p/4274935?color=5430657-4274935
Brand
Bike
Size
Category